library/classes/Prescription.class.php

   1 <?php
   2 require_once (dirname(__FILE__) . "/../sql.inc");
   3 require_once (dirname(__FILE__) . "/../lists.inc");
   4 require_once("ORDataObject.class.php");
   5 require_once("Patient.class.php");
   6 require_once("Person.class.php");
   7 require_once("Provider.class.php");
   8 require_once("Pharmacy.class.php");
   9 require_once("NumberToText.class.php");
  10 //below is required for the set_medication() function
  11 require_once (dirname(__FILE__) . "/../formdata.inc.php");
  12
  13 // Below list of terms are deprecated, but we keep this list
  14 //   to keep track of the official openemr drugs terms and
  15 //   corresponding ID's for reference. Official is referring
  16 //   to the default settings after installing OpenEMR.
  17 //
  18 // define('UNIT_BLANK',0);
  19 // define('UNIT_MG',1);
  20 // define('UNIT_MG_1CC',2);
  21 // define('UNIT_MG_2CC',3);
  22 // define('UNIT_MG_3CC',4);
  23 // define('UNIT_MG_4CC',5);
  24 // define('UNIT_MG_5CC',6);
  25 // define('UNIT_MCG',7);
  26 // define('UNIT_GRAMS',8);
  27 //
  28 // define('INTERVAL_BLANK',0);
  29 // define('INTERVAL_BID',1);
  30 // define('INTERVAL_TID',2);
  31 // define('INTERVAL_QID',3);
  32 // define('INTERVAL_Q_3H',4);
  33 // define('INTERVAL_Q_4H',5);
  34 // define('INTERVAL_Q_5H',6);
  35 // define('INTERVAL_Q_6H',7);
  36 // define('INTERVAL_Q_8H',8);
  37 // define('INTERVAL_QD',9);
  38 // define('INTERVAL_AC',10); // added May 2008
  39 // define('INTERVAL_PC',11); // added May 2008
  40 // define('INTERVAL_AM',12); // added May 2008
  41 // define('INTERVAL_PM',13); // added May 2008
  42 // define('INTERVAL_ANTE',14); // added May 2008
  43 // define('INTERVAL_H',15); // added May 2008
  44 // define('INTERVAL_HS',16); // added May 2008
  45 // define('INTERVAL_PRN',17); // added May 2008
  46 // define('INTERVAL_STAT',18); // added May 2008
  47 //
  48 // define('FORM_BLANK',0);
  49 // define('FORM_SUSPENSION',1);
  50 // define('FORM_TABLET',2);
  51 // define('FORM_CAPSULE',3);
  52 // define('FORM_SOLUTION',4);
  53 // define('FORM_TSP',5);
  54 // define('FORM_ML',6);
  55 // define('FORM_UNITS',7);
  56 // define('FORM_INHILATIONS',8);
  57 // define('FORM_GTTS_DROPS',9);
  58 // define('FORM_CR',10);
  59 // define('FORM_OINT',11);
  60 //
  61 // define('ROUTE_BLANK',0);
  62 // define("ROUTE_PER_ORIS", 1);
  63 // define("ROUTE_PER_RECTUM", 2);
  64 // define("ROUTE_TO_SKIN", 3);
  65 // define("ROUTE_TO_AFFECTED_AREA", 4);
  66 // define("ROUTE_SUBLINGUAL", 5);
  67 // define("ROUTE_OS", 6);
  68 // define("ROUTE_OD", 7);
  69 // define("ROUTE_OU", 8);
  70 // define("ROUTE_SQ", 9);
  71 // define("ROUTE_IM", 10);
  72 // define("ROUTE_IV", 11);
  73 // define("ROUTE_PER_NOSTRIL", 12);
  74 // define("ROUTE_B_EAR", 13);
  75 // define("ROUTE_L_EAR", 14);
  76 // define("ROUTE_R_EAR", 15);
  77 //
  78 // define('SUBSTITUTE_YES',1);
  79 // define('SUBSTITUTE_NO',2);
  80 //
  81
  82 // Added 7-2009 by BM to incorporate the units, forms, interval, route lists from list_options
  83 //  This mechanism may only be temporary; will likely migrate changes more downstream to allow
  84 //   users the options of using the addlist widgets and validation frunctions from options.inc.php
  85 //   in the forms and output.
  86 function load_drug_attributes($id) {
  87     $res = sqlStatement("SELECT * FROM list_options WHERE list_id = '$id' ORDER BY seq");
  88     while ($row = sqlFetchArray($res)) {
  89         if ($row['title'] == '') {
  90          $arr[$row['option_id']] = ' ';
  91         }
  92         else {
  93          $arr[$row['option_id']] = xl_list_label($row['title']);
  94         }
  95     }
  96     return $arr;
  97 }
  98
  99 /**
 100  * class Prescription
 101  *
 102  */
 103 class Prescription extends ORDataObject {
 104
 105     /**
 106      *
 107      * @access public
 108      */
 109
 110     /**
 111      *
 112      * static
 113      */
 114     var $form_array;
 115     var $unit_array;
 116     var $route_array;
 117     var $interval_array;
 118     var $substitute_array;
 119     var $medication_array;
 120     var $refills_array;
 121
 122     /**
 123      *
 124      * @access private
 125      */
 126
 127     var $id;
 128     var $patient;
 129     var $pharmacist;
 130     var $date_added;
 131     var $date_modified;
 132     var $pharmacy;
 133     var $start_date;
 134     var $filled_date;
 135     var $provider;
 136     var $note;
 137     var $drug;
 138     var $form;
 139     var $dosage;
 140     var $quantity;
 141     var $size;
 142     var $unit;
 143     var $route;
 144     var $interval;
 145     var $substitute;
 146     var $refills;
 147     var $per_refill;
 148     var $medication;
 149
 150     var $drug_id;
 151     var $active;
 152
 153     /**
 154     * Constructor sets all Prescription attributes to their default value
 155     */
 156
 157     function Prescription($id= "", $_prefix = "") {
 158
 159         // Modified 7-2009 by BM to load the arrays from the lists in lists_options.
 160         // Plan for this to only be temporary, hopefully have the lists used directly
 161         //  from forms in future to allow use of widgets etc.
 162         $this->route_array = load_drug_attributes('drug_route');
 163         $this->form_array = load_drug_attributes('drug_form');
 164         $this->interval_array = load_drug_attributes('drug_interval');
 165         $this->unit_array = load_drug_attributes('drug_units');
 166
 167         $this->substitute_array = array("",xl("substitution allowed"),
 168             xl ("do not substitute"));
 169
 170         $this->medication_array = array(0 => xl('No'), 1 => xl('Yes'));
 171
 172         if (is_numeric($id)) { $this->id = $id; }
 173         else { $id = "";}
 174
 175         //$this->unit = UNIT_MG;
 176         //$this->route = ROUTE_PER_ORIS;
 177         //$this->quantity = 1;
 178         //$this->size = 1;
 179         $this->refills = 0;
 180         //$this->form = FORM_TABLET;
 181         $this->substitute = false;
 182         $this->_prefix = $_prefix;
 183         $this->_table = "prescriptions";
 184         $this->pharmacy = new Pharmacy();
 185         $this->pharmacist = new Person();
 186         $this->provider = new Provider($_SESSION['authId']);
 187         $this->patient = new Patient();
 188         $this->start_date = date("Y-m-d");
 189         $this->date_added = date("Y-m-d");
 190         $this->date_modified = date("Y-m-d");
 191         $this->per_refill = 0;
 192         $this->note = "";
 193
 194         $this->drug_id = 0;
 195         $this->active = 1;
 196
 197         for($i=0;$i<21;$i++) {
 198             $this->refills_array[$i] = sprintf("%02d",$i);
 199         }
 200
 201         if ($id != "") { $this->populate(); }
 202     }
 203
 204     function persist() {
 205         $this->date_modified = date("Y-m-d");
 206         if ($this->id == "") { $this->date_added = date("Y-m-d"); }
 207         if (parent::persist()) { }
 208     }
 209
 210     function populate() {
 211         parent::populate();
 212     }
 213
 214     function toString($html = false) {
 215         $string .= "\n"
 216                 ."ID: " . $this->id . "\n"
 217                 ."Patient:" . $this->patient . "\n"
 218                 ."Patient ID:" . $this->patient->id . "\n"
 219                 ."Pharmacist: " . $this->pharmacist . "\n"
 220                 ."Pharmacist ID: " . $this->pharmacist->id . "\n"
 221                 ."Date Added: " . $this->date_added. "\n"
 222                 ."Date Modified: " . $this->date_modified. "\n"
 223                 ."Pharmacy: " . $this->pharmacy. "\n"
 224                 ."Pharmacy ID:" . $this->pharmacy->id . "\n"
 225                 ."Start Date: " . $this->start_date. "\n"
 226                 ."Filled Date: " . $this->filled_date. "\n"
 227                 ."Provider: " . $this->provider. "\n"
 228                 ."Provider ID: " . $this->provider->id. "\n"
 229                 ."Note: " . $this->note. "\n"
 230                 ."Drug: " . $this->drug. "\n"
 231                 ."Form: " . $this->form_array[$this->form]. "\n"
 232                 ."Dosage: " . $this->dosage. "\n"
 233                 ."Qty: " . $this->quantity. "\n"
 234                 ."Size: " . $this->size. "\n"
 235                 ."Unit: " . $this->unit_array[$this->unit] . "\n"
 236                 ."Route: " . $this->route_array[$this->route] . "\n"
 237                 ."Interval: " .$this->interval_array[$this->interval]. "\n"
 238                 ."Substitute: " . $this->substitute_array[$this->substitute]. "\n"
 239                 ."Refills: " . $this->refills. "\n"
 240                 ."Per Refill: " . $this->per_refill . "\n"
 241                 ."Drug ID: " . $this->drug_id . "\n"
 242                 ."Active: " . $this->active;
 243
 244         if ($html) { return nl2br($string); }
 245         else { return $string; }
 246     }
 247
 248     function get_unit_display( $display_form="" ) {
 249         return( $this->unit_array[$this->unit] );
 250     }
 251
 252     function get_unit() {
 253         return $this->unit;
 254     }
 255     function set_unit($unit) {
 256         if (is_numeric($unit)) { $this->unit = $unit; }
 257     }
 258
 259     function set_id($id) {
 260         if (!empty($id) && is_numeric($id)) { $this->id = $id; }
 261     }
 262     function get_id() {
 263         return $this->id;
 264     }
 265
 266     function get_dosage_display( $display_form="" ) {
 267         if( empty($this->form) && empty($this->interval) ) {
 268             return( $this->dosage );
 269         }
 270         else {
 271             return ($this->dosage . " " . xl('in') . " " . $this->form_array[$this->form] . " " . $this->interval_array[$this->interval]);
 272         }
 273     }
 274
 275     function set_dosage($dosage) {
 276         $this->dosage = $dosage;
 277     }
 278     function get_dosage() {
 279         return $this->dosage;
 280     }
 281
 282     function set_form($form) {
 283         if (is_numeric($form)) { $this->form = $form; }
 284     }
 285     function get_form() {
 286         return $this->form;
 287     }
 288
 289     function set_refills($refills) {
 290         if (is_numeric($refills)) { $this->refills = $refills; }
 291     }
 292     function get_refills() {
 293         return $this->refills;
 294     }
 295
 296     function set_size($size) {
 297         if (is_numeric($size)) { $this->size = $size; }
 298     }
 299     function get_size() {
 300         return $this->size;
 301     }
 302
 303     function set_quantity($qty) {
 304     // if (is_numeric($qty)) {
 305         $this->quantity = $qty;
 306     // }
 307     }
 308     function get_quantity() {
 309         return $this->quantity;
 310     }
 311
 312     function set_route($route) {
 313         if (is_numeric($route)) { $this->route = $route; }
 314     }
 315     function get_route() {
 316         return $this->route;
 317     }
 318
 319     function set_interval($interval) {
 320         if (is_numeric($interval)) { $this->interval = $interval; }
 321     }
 322     function get_interval() {
 323         return $this->interval;
 324     }
 325
 326     function set_substitute($sub) {
 327         if (is_numeric($sub)) { $this->substitute = $sub; }
 328     }
 329     function get_substitute() {
 330         return $this->substitute;
 331     }
 332
 333     function set_medication($med) {
 334         global $ISSUE_TYPES;
 335
 336         $this->medication = $med;
 337
 338         // Avoid making a mess if we are not using the "medication" issue type.
 339         if (isset($ISSUE_TYPES) && !$ISSUE_TYPES['medication']) return;
 340
 341         //below statements are bypassing the persist() function and being used directly in database statements, hence need to use the functions in library/formdata.inc.php
 342         // they have already been run through populate() hence stripped of escapes, so now need to be escaped for database (add_escape_custom() function).
 343
 344         //check if this drug is on the medication list
 345         $dataRow = sqlQuery("select id from lists where type = 'medication' and activity = 1 and (enddate is null or cast(now() as date) < enddate) and upper(trim(title)) = upper(trim('" . add_escape_custom($this->drug) . "')) and pid = " . add_escape_custom($this->patient->id) . ' limit 1');
 346
 347         if ($med && !isset($dataRow['id'])){
 348             $dataRow = sqlQuery("select id from lists where type = 'medication' and activity = 0 and (enddate is null or cast(now() as date) < enddate) and upper(trim(title)) = upper(trim('" . add_escape_custom($this->drug) . "')) and pid = " . add_escape_custom($this->patient->id) . ' limit 1');
 349
 350             if (!isset($dataRow['id'])){
 351                 //add the record to the medication list
 352                 sqlInsert("insert into lists(date,begdate,type,activity,pid,user,groupname,title) values (now(),cast(now() as date),'medication',1," . add_escape_custom($this->patient->id) . ",'" . $$_SESSION['authUser']. "','" . $$_SESSION['authProvider'] . "','" . add_escape_custom($this->drug) . "')");
 353             }
 354             else {
 355                 $dataRow = sqlQuery('update lists set activity = 1'
 356                             . " ,user = '" . $$_SESSION['authUser']
 357                             . "', groupname = '" . $$_SESSION['authProvider'] . "' where id = " . $dataRow['id']);
 358             }
 359         }
 360         elseif (!$med && isset($dataRow['id'])) {
 361             //remove the drug from the medication list if it exists
 362             $dataRow = sqlQuery('update lists set activity = 0'
 363                             . " ,user = '" . $$_SESSION['authUser']
 364                             . "', groupname = '" . $$_SESSION['authProvider'] . "' where id = " . $dataRow['id']);
 365         }
 366     }
 367
 368     function get_medication() {
 369         return $this->medication;
 370     }
 371
 372     function set_per_refill($pr) {
 373         if (is_numeric($pr)) { $this->per_refill = $pr; }
 374     }
 375     function get_per_refill() {
 376         return $this->per_refill;
 377     }
 378
 379     function set_patient_id($id) {
 380         if (is_numeric($id)) { $this->patient = new Patient($id); }
 381     }
 382     function get_patient_id() {
 383         return $this->patient->id;
 384     }
 385
 386     function set_provider_id($id) {
 387         if (is_numeric($id)) { $this->provider = new Provider($id); }
 388     }
 389     function get_provider_id() {
 390         return $this->provider->id;
 391     }
 392
 393     function set_provider($pobj) {
 394         if (get_class($pobj) == "provider") { $this->provider = $pobj; }
 395     }
 396
 397     function set_pharmacy_id($id) {
 398         if (is_numeric($id)) { $this->pharmacy = new Pharmacy($id); }
 399     }
 400     function get_pharmacy_id() {
 401         return $this->pharmacy->id;
 402     }
 403
 404     function set_pharmacist_id($id) {
 405         if (is_numeric($id)) { $this->pharmacist = new Person($id); }
 406     }
 407     function get_pharmacist() {
 408         return $this->pharmacist->id;
 409     }
 410
 411     function get_start_date_y() {
 412         $ymd = split("-",$this->start_date);
 413         return $ymd[0];
 414     }
 415     function set_start_date_y($year) {
 416         if (is_numeric($year)) {
 417             $ymd = split("-",$this->start_date);
 418             $ymd[0] = $year;
 419             $this->start_date = $ymd[0] ."-" . $ymd[1] ."-" . $ymd[2];
 420         }
 421     }
 422     function get_start_date_m() {
 423         $ymd = split("-",$this->start_date);
 424         return $ymd[1];
 425     }
 426     function set_start_date_m($month) {
 427         if (is_numeric($month)) {
 428             $ymd = split("-",$this->start_date);
 429             $ymd[1] = $month;
 430             $this->start_date = $ymd[0] ."-" . $ymd[1] ."-" . $ymd[2];
 431         }
 432     }
 433     function get_start_date_d() {
 434         $ymd = split("-",$this->start_date);
 435         return $ymd[2];
 436     }
 437     function set_start_date_d($day) {
 438         if (is_numeric($day)) {
 439             $ymd = split("-",$this->start_date);
 440             $ymd[2] = $day;
 441             $this->start_date = $ymd[0] ."-" . $ymd[1] ."-" . $ymd[2];
 442         }
 443     }
 444     function get_start_date() {
 445         return $this->start_date;
 446     }
 447     function set_start_date($date) {
 448         return $this->start_date = $date;
 449     }
 450
 451     function get_date_added() {
 452         return $this->date_added;
 453     }
 454     function set_date_added($date) {
 455         return $this->date_added = $date;
 456     }
 457
 458     function get_date_modified() {
 459         return $this->date_modified;
 460     }
 461     function set_date_modified($date) {
 462         return $this->date_modified = $date;
 463     }
 464
 465     function get_filled_date() {
 466         return $this->filled_date;
 467     }
 468     function set_filled_date($date) {
 469         return $this->filled_date = $date;
 470     }
 471
 472     function set_note($note) {
 473         $this->note = $note;
 474     }
 475     function get_note() {
 476         return $this->note;
 477     }
 478
 479     function set_drug($drug) {
 480         $this->drug = $drug;
 481     }
 482     function get_drug() {
 483         return $this->drug;
 484     }
 485
 486     function get_filled_by_id() {
 487         return $this->pharmacist->id;
 488     }
 489     function set_filled_by_id($id) {
 490         if (is_numeric($id)) { return $this->pharmacist->id = $id; }
 491     }
 492
 493     function set_drug_id($drug_id) {
 494         $this->drug_id = $drug_id;
 495     }
 496     function get_drug_id() {
 497         return $this->drug_id;
 498     }
 499
 500     function set_active($active) {
 501         $this->active = $active;
 502     }
 503     function get_active() {
 504         return $this->active;
 505     }
 506
 507     function get_prescription_display() {
 508         $pconfig = $GLOBALS['oer_config']['prescriptions'];
 509
 510         switch ($pconfig['format']) {
 511             case "FL":
 512                 return $this->get_prescription_florida_display();
 513                 break;
 514             default:
 515                 break;
 516         }
 517
 518         $sql = "SELECT * FROM users JOIN facility AS f ON f.name = users.facility where users.id ='" . mysql_real_escape_string($this->provider->id) . "'";
 519         $db = get_db();
 520         $results = $db->Execute($sql);
 521         if (!$results->EOF) {
 522             $string = $results->fields['name'] . "\n"
 523                     . $results->fields['street'] . "\n"
 524                     . $results->fields['city'] . ", " . $results->fields['state'] . " " . $results->fields['postal_code'] . "\n"
 525                     . $results->fields['phone'] . "\n\n";
 526         }
 527
 528         $string .= ""
 529                 ."Prescription For:" . "\t" .$this->patient->get_name_display() . "\n"
 530                 ."DOB:"."\t".$this->patient->get_dob()."\n"
 531                 ."Start Date: " . "\t\t" . $this->start_date. "\n"
 532                 ."Provider: " . "\t\t" . $this->provider->get_name_display(). "\n"
 533                 ."Provider DEA No.: " . "\t\t" . $this->provider->federal_drug_id. "\n"
 534                 ."Drug: " . "\t\t\t" . $this->drug. "\n"
 535                 ."Dosage: " . "\t\t" . $this->dosage . " in ". $this->form_array[$this->form]. " form " . $this->interval_array[$this->interval]. "\n"
 536                 ."Qty: " . "\t\t\t" . $this->quantity. "\n"
 537                 ."Medication Unit: " . "\t" . $this->size  . " ". $this->unit_array[$this->unit] . "\n"
 538                 ."Substitute: " . "\t\t" . $this->substitute_array[$this->substitute]. "\n";
 539         if ($this->refills > 0) {
 540             $string .= "Refills: " . "\t\t" . $this->refills. ", of quantity: " . $this->per_refill ."\n";
 541         }
 542         $string .= "\n"."Notes: \n" . $this->note . "\n";
 543         return $string;
 544     }
 545
 546     function get_prescription_florida_display() {
 547
 548         $db = get_db();
 549         $ntt = new NumberToText($this->quantity);
 550         $ntt2 = new NumberToText($this->per_refill);
 551         $ntt3 = new NumberToText($this->refills);
 552
 553         $string = "";
 554
 555         $gnd = $this->provider->get_name_display();
 556
 557         while(strlen($gnd)<31) { $gnd .= " "; }
 558
 559         $string .= $gnd . $this->provider->federal_drug_id . "\n";
 560
 561         $sql = "SELECT * FROM users JOIN facility AS f ON f.name = users.facility where users.id ='" . mysql_real_escape_string($this->provider->id) . "'";
 562         $results = $db->Execute($sql);
 563
 564         if (!$results->EOF) {
 565             $rfn = $results->fields['name'];
 566
 567             while(strlen($rfn)<31) { $rfn .= " "; }
 568
 569             $string .= $rfn . $this->provider->get_provider_number_default() . "\n"
 570                     . $results->fields['street'] . "\n"
 571                     . $results->fields['city'] . ", " . $results->fields['state'] . " " . $results->fields['postal_code'] . "\n"
 572                     . $results->fields['phone'] . "\n";
 573         }
 574
 575         $string .= "\n";
 576         $string .= strtoupper($this->patient->lname) . ", " . ucfirst($this->patient->fname) . " " . $this->patient->mname . "\n";
 577         $string .= "DOB " .  $this->patient->date_of_birth . "\n";
 578         $string .= "\n";
 579         $string .= date("F j, Y", strtotime($this->start_date)) . "\n";
 580         $string .= "\n";
 581         $string .= strtoupper($this->drug) . " " . $this->size  . " ". $this->unit_array[$this->unit] . "\n";
 582         if (strlen($this->note) > 0) {
 583             $string .= "Notes: \n" . $this->note . "\n";
 584         }
 585         if (!empty($this->dosage)) {
 586             $string .= $this->dosage;
 587             if (!empty($this->form)){
 588                 $string .= " " . $this->form_array[$this->form];
 589             }
 590             if (!empty($this->interval)) {
 591                 $string .= " " . $this->interval_array[$this->interval];
 592             }
 593             if (!empty($this->route)) {
 594                 $string .= " " . $this->route_array[$this->route] . "\n";
 595             }
 596         }
 597         if (!empty($this->quantity)) {
 598             $string .= "Disp: " . $this->quantity . " (" . trim(strtoupper($ntt->convert())) . ")" . "\n";
 599         }
 600         $string .= "\n";
 601         $string .= "Refills: " . $this->refills . " (" . trim(strtoupper($ntt3->convert())) ."), Per Refill Disp: " . $this->per_refill . " (" . trim(strtoupper($ntt2->convert())) . ")" ."\n";
 602         $string .= $this->substitute_array[$this->substitute]. "\n";
 603         $string .= "\n";
 604
 605         return $string;
 606     }
 607
 608     function prescriptions_factory($patient_id,
 609                             $order_by = "active DESC, date_modified DESC, date_added DESC")
 610     {
 611         $prescriptions = array();
 612         require_once (dirname(__FILE__) . "/../translation.inc.php");
 613         $p = new Prescription();
 614         $sql = "SELECT id FROM  " . $p->_table . " WHERE patient_id = " .
 615                 mysql_real_escape_string($patient_id) .
 616                 " ORDER BY " . mysql_real_escape_string($order_by);
 617         $results = sqlQ($sql);
 618         while ($row = mysql_fetch_array($results) ) {
 619             $prescriptions[] = new Prescription($row['id']);
 620         }
 621         return $prescriptions;
 622     }
 623
 624     function get_dispensation_count() {
 625         if (empty($this->id)) return 0;
 626         $refills_row = sqlQuery("SELECT count(*) AS count FROM drug_sales " .
 627                     "WHERE prescription_id = '" . $this->id . "' AND quantity > 0");
 628         return $refills_row['count'];
 629     }
 630
 631 }// end of Prescription
 632 ?>